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SUBORUI Custom Industrial Metric Straight Flute 4-12mm HSS 4241 Woodworking Metal Unibit Step Drill Bit for Wood Metal Aluminum
Product Description
★PRODUCT HIGHLIGHTS
HSS 4241 Hard Metal
Provides durability and precision for metal drilling.
4-12mm Range
Suitable for various drilling needs across different thicknesses.
Unibit Design
Single-bit tool for efficient and straightforward use.
Metric Measurement
Meets international standards for precise drilling tasks.
Ideal for Metal & Aluminum
Effective in drilling both materials.
■SPECIFICATIONS
■DETAIL SHOT
■CERTIFICATE
Our Certifications & Quality Systems
- 1. CE Certified: Meet EU safety standards for industrial machinery export.
- 2. RoHS Compliant: Free from hazardous substances. Environmentally friendly production.
- 3. BSCI Audited: Ethical manufacturing with fair working conditions.
- 4. ISO 9001:2015 Certified: Quality management system ensuring consistent product quality.
- 5. Full Material Traceability: Mill certificates and inspection records for every batch.
■EXHIBITION
We regularly exhibit at major industry exhibitions to connect with global buyers and showcase our latest innovations:
Featured Exhibitions
Canton Fair | Shanghai Hardware Show | Eisenwarenmesse (Cologne, Germany) | MITEX (Moscow, Russia)
Global Customer Network
Europe: Germany, Italy, Poland, Spain, France
Asia: Japan, South Korea, India, Southeast Asia
Middle East: UAE, Saudi Arabia, Turkey
Americas: USA, Canada, Brazil, Mexico
CIS Countries: Russia, Belarus, Kazakhstan
■CONTACT US
■ABOUT THE SUPPLIER
SUBORUI is a leading manufacturer of high-performance twist drills and cutting tools, specializing in HSS drill bits, wood drill bits, and annular cutters for global industrial, construction, and woodworking sectors.
With 20 years of expertise, we have established ourselves as a strategic supplier to renowned brands across Europe, North America, South America, and the Middle East. Our 50,000-square-meter advanced facility, staffed by 300 skilled professionals, integrates cutting-edge technology, rigorous quality control, and customer-centric innovation to deliver tools that redefine precision and reliability.
Founded in 2005, SUBORUI began as a small workshop dedicated to producing HSS tools for local markets. Today, we are a globally recognized exporter with an annual turnover exceeding RMB 100 million, serving clients in over 30 countries.
We are excited to announce the opening of our new state-of-the-art manufacturing facility in Thailand in 2025. Strategically located in the heart of Southeast Asia, this plant enables us to better serve our global B2B partners with faster delivery and greater supply chain flexibility.
Innovation: Over 20 patented technologies in drill bit geometry, coating, and material science.
Quality: ISO 9001-certified processes and 100% pre-shipment inspection.
Customer Focus: Tailored solutions for OEM/ODM projects, from prototyping to mass production.
Strict Quality Control (5-stage inspection protocol)
- Raw Material Testing: Spectrometer verification of HSS grade (M2/M35/M42).
- Dimensional Accuracy: Laser measurement of diameter, helix angle, and concentricity.
- Hardness Verification: Rockwell hardness testing for consistency.
- Performance Testing: Drilling trials on steel/wood samples to validate speed and durability.
- Final Audit: 100% visual inspection before packaging.
■FACTORY PROFILE
■CUSTOMIZATION CAPABILITIES
- 1. OEM/ODM Custom Design: Manufactured to your drawings or samples.
- 2. Point & Flute Design: Custom point angle 118 135 degree flute design, and helix angle for optimized chip evacuation and drilling efficiency in specific materials.
- 3. Advanced Surface Coatings: Choose TiN, TiAlN, AlTiN, or DLC coatings for enhanced wear resistance, heat protection, and extended tool life.
- 4. Shank Type & Tolerance: Straight, reduced, taper, or custom shanks. Ground to h6 tolerance for precision fit.
Our Custom Process
- 1. Share Your Needs: Tell us your application, materials, and performance requirements. Send drawings or samples for review.
- 2. Get a Quote: We provide a detailed quotation with pricing, MOQ, and lead time within 24 hours.
- 3. We Customize: Manufactured to your exact specs geometry, coating, shank, and material.
- 4. Mass Production: Once approved, we begin full production with strict quality control.
- 5. On Time Delivery: We handle packaging and shipping to ensure your order arrives safely.
1000+ Products & 200+ Packaging Options
With more than 200 packaging styles available, we offer flexible solutions for every market channel:
- 1. Retail-ready: Plastic tubes, blister cards, hang cards, and color boxes.
- 2. Industrial bulk: Polybags, ziplock bags, cartons, and palletized export packaging.
- 3. Premium sets: Metal tins, plastic cases, and custom kit boxes.
- 4. Eco-friendly options: Kraft paper boxes and recyclable materials.
■COMPETITIVE ADVANTAGES
?FREQUENTLY ASKED QUESTIONS
What format should I provide for artwork and logos?
Please provide your design or logo in any vector/editable format like AI, PDF, etc., and send it to us via email.
What details are needed for custom item inquiries?
Please provide us the quantity, size, color, package preference, and material requirements of your customized items. We will quote based on your requirements and can create a design sketch based on your artwork for reference.
What is your sample policy and turnaround time?
(1) If you need our existing stock samples, we provide them for free, while express freight is borne by the client. (2) If you require a custom design sample, please let us know; the sample production time is typically 5-7 days.
What payment terms do you accept?
We require 100% upfront payment if the total amount is below US$1000. For orders over US$1000, we accept a 30% deposit with the 70% balance due before shipping after final inspection. TT, Western Union, and L/C are accepted.
Why should we choose SUBORUI as our supplier?
1) Rapid 24-hour pricing and custom design sketch services. 2) Premium quality with eco-friendly materials compliant with EN71 and SGS standards. 3) Highly experienced production workforce. 4) Professional engineering skills and comprehensive customer service.
